M is the midpoint of PQ. PM = 7x + 8 and MQ = 5x+ 20. Find the value of x.​

Hannah paid $3.20 for 16 ounces of potato chips. hank paid $3.23 for 17 ounces of potato chips. who paid less per ounces?

Which of the following would be a reasonable estimate for the weight of a pencil? a. 1 × 10^-20 lb b. 1 × 10^20 lb c. 1 × 10^2 lb d. 1 × 10^-2 lb

Using only the digits 5, 6, 7, 8, how many different three digit numbers can be formed if no digit is repeated in a number?